mirror of
https://github.com/helix-editor/helix.git
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265 lines
4.7 KiB
Scheme
265 lines
4.7 KiB
Scheme
; ----------
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; Primitives
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; ----------
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[
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(line_comment)
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(block_comment)
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] @comment
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(((identifier) @constant.builtin) (match? @constant.builtin "^(nothing|missing|Inf|NaN)$"))
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(((identifier) @constant.builtin.boolean) (#eq? @constant.builtin.boolean "true"))
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(((identifier) @constant.builtin.boolean) (#eq? @constant.builtin.boolean "false"))
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(integer_literal) @constant.numeric.integer
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(float_literal) @constant.numeric.float
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(character_literal) @constant.character
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(escape_sequence) @constant.character.escape
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(string_literal) @string
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(prefixed_string_literal
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prefix: (identifier) @function.macro) @string
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(quote_expression
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(identifier) @string.special.symbol)
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; -------------------
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; Modules and Imports
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; -------------------
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(module_definition
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name: (identifier) @namespace)
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(import_statement
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(identifier) @namespace)
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(selected_import
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. (identifier) @namespace)
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(scoped_identifier
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(identifier) @namespace)
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; -----
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; Types
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; -----
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(abstract_definition
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name: (identifier) @type)
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(primitive_definition
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name: (identifier) @type)
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(struct_definition
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name: (identifier) @type)
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(struct_definition
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. (_)
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(identifier) @variable.other.member)
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(struct_definition
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. (_)
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(typed_expression
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. (identifier) @variable.other.member))
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(type_parameter_list
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(identifier) @type)
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(constrained_parameter
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(identifier) @type)
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(subtype_clause
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(identifier) @type)
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(typed_expression
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(identifier) @type . )
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(parameterized_identifier
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(identifier) @type)
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(type_argument_list
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(identifier) @type)
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; -------------------
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; Function definition
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; -------------------
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(
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(function_definition
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name: (identifier) @function)
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; prevent constructors (PascalCase) to be highlighted as functions
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(#match? @function "^[^A-Z]"))
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(parameter_list
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(identifier) @variable.parameter)
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(typed_parameter
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(identifier) @variable.parameter
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(identifier)? @type)
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(optional_parameter
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. (identifier) @variable.parameter)
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(spread_parameter
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(identifier) @variable.parameter)
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(function_expression
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. (identifier) @variable.parameter)
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; ---------------
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; Functions calls
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; ---------------
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(
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(call_expression
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(identifier) @function)
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; prevent constructors (PascalCase) to be highlighted as functions
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(#match? @function "^[^A-Z]"))
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(
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(broadcast_call_expression
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(identifier) @function)
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(#match? @function "^[^A-Z]"))
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(
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(call_expression
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(field_expression (identifier) @function .))
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(#match? @function "^[^A-Z]"))
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(
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(broadcast_call_expression
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(field_expression (identifier) @function .))
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(#match? @function "^[^A-Z]"))
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; ------
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; Macros
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; ------
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(macro_definition
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name: (identifier) @function.macro)
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(macro_identifier
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"@" @function.macro
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(identifier) @function.macro)
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; --------
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; Keywords
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; --------
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(function_definition
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["function" "end"] @keyword.function)
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(if_statement
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["if" "end"] @keyword.control.conditional)
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(elseif_clause
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["elseif"] @keyword.control.conditional)
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(else_clause
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["else"] @keyword.control.conditional)
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(ternary_expression
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["?" ":"] @keyword.control.conditional)
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(for_statement
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["for" "end"] @keyword.control.repeat)
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(while_statement
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["while" "end"] @keyword.control.repeat)
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(break_statement) @keyword.control.repeat
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(continue_statement) @keyword.control.repeat
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(for_binding
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"in" @keyword.control.repeat)
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(for_clause
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"for" @keyword.control.repeat)
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(try_statement
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["try" "end" ] @keyword.control.exception)
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(finally_clause
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"finally" @keyword.control.exception)
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(catch_clause
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"catch" @keyword.control.exception)
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[
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"export"
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"import"
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"using"
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] @keyword.control.import
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[
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"abstract"
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"begin"
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"const"
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"do"
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"end"
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"let"
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"macro"
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"module"
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"mutable"
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"primitive"
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"quote"
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"return"
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"struct"
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"type"
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] @keyword
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; TODO: fix this
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((identifier) @keyword (match? @keyword "global|local"))
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; ---------
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; Operators
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; ---------
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[
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(operator)
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"::"
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"<:"
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":"
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"=>"
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"..."
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"$"
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] @operator
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; ------------
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; Punctuations
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; ------------
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[
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"."
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","
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";"
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] @punctuation.delimiter
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[
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"["
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"]"
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"("
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")"
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"{"
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"}"
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] @punctuation.bracket
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; ---------------------
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; Remaining identifiers
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; ---------------------
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(const_statement
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(variable_declaration
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. (identifier) @constant))
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; SCREAMING_SNAKE_CASE
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(
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(identifier) @constant
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(match? @constant "^[A-Z][A-Z0-9_]*$"))
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; remaining identifiers that start with capital letters should be types (PascalCase)
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(
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(identifier) @type
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(match? @type "^[A-Z]"))
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; Field expressions are either module content or struct fields.
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; Module types and constants should already be captured, so this
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; assumes the remaining identifiers to be struct fields.
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(field_expression
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(_)
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(identifier) @variable.other.member)
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(identifier) @variable
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